2.8 Tissues and organs in animals

What is the first level of organisation in multicellular organisms?

• Cells

• Tissues

• Organs

• Organ systems

Animals contain many ........................... tissues.

• similar

• different

Each tissue is a group of similar cells all doing ............................... job in the body.

• different

• the same

Which tissue send electrical messages around your body?

• Muscle tissue

• Nervous tissue

• Connective tissue

• Fat tissue

Which tissue contract together to move parts of your body?

• Muscle tissue

• Nervous tissue

• Connective tissue

• Fat tissue

What is the biggest organ in the human body?

• Brain

• Lungs

• Heart

• Skin

Which organ produces bile to help digestion?

• Brain

• Lungs

• Heart

• Liver

Which organ take in oxygen and remove carbon dioxide.?

• Brain

• Lungs

• Heart

• Liver

What is the main function of the reproductive system?

• To digest food

• To control the body

• To take in oxygen

• To produce new human beings

What is the main function of the circulatory system?

• To digest food

• To control the body

• To take in oxygen

• To produce new human beings

• It transports materials all around your body.